Email Designer

Build email templates with drag-and-drop editor and AI copy generation

ARIAClaudeHuman Watch: ON

Email Designer

Subject Line Formula

[Name] + [Benefit] + [Urgency] ≤50 chars
Avoid spam triggers: FREE, URGENT, $$$
Preheader: 90–140 chars, extends subject
Emoji in subject = +3–5% open rate (test first)

Mobile-First Design

Single column layout, 600px max width
Min font 14px body, 22px headings
44px min touch target for all CTAs
Fluid images: width 100%, max-width 600px

Email Anatomy

Header: logo + brand color, max 100px tall
Hero: value prop in 8 words or fewer
Body: benefit bullets, not feature lists
Footer: unsubscribe + physical address (CAN-SPAM)

Claude Copy Principles

Personalize with {{first_name}}, {{company}}
One primary CTA — never two competing CTAs
Power words: Exclusive, Proven, Instant, Free
Match tone to segment: formal B2B, casual D2C

Deliverability

SPF + DKIM + DMARC = authentication trifecta
List hygiene: remove hard bounces immediately
Spam rate target: <0.1% (Google Postmaster)
Warm new IPs: 50→200→500→1k over 4 weeks

Blocks

Structure

Content

Advanced

Subject

From

BioCipher Technologies

Spring Sale — Up to 40% OFF

Hi {{name}}, We have an exclusive offer just for you. Our Spring Sale is LIVE with up to {{discount}}% off on all products. Don't miss out!

Shop Now →

Left Column

Right Column

header Properties

Content

Background

Text Color

Email Designer

Build email templates with drag-and-drop editor and AI copy generation

ARIAClaudeHuman Watch: ON

Email Designer

Subject Line Formula

[Name] + [Benefit] + [Urgency] ≤50 chars
Avoid spam triggers: FREE, URGENT, $$$
Preheader: 90–140 chars, extends subject
Emoji in subject = +3–5% open rate (test first)

Mobile-First Design

Single column layout, 600px max width
Min font 14px body, 22px headings
44px min touch target for all CTAs
Fluid images: width 100%, max-width 600px

Email Anatomy

Header: logo + brand color, max 100px tall
Hero: value prop in 8 words or fewer
Body: benefit bullets, not feature lists
Footer: unsubscribe + physical address (CAN-SPAM)

Claude Copy Principles

Personalize with {{first_name}}, {{company}}
One primary CTA — never two competing CTAs
Power words: Exclusive, Proven, Instant, Free
Match tone to segment: formal B2B, casual D2C

Deliverability

SPF + DKIM + DMARC = authentication trifecta
List hygiene: remove hard bounces immediately
Spam rate target: <0.1% (Google Postmaster)
Warm new IPs: 50→200→500→1k over 4 weeks

Blocks

Structure

Content

Advanced

Subject

From

BioCipher Technologies

Spring Sale — Up to 40% OFF

Hi {{name}}, We have an exclusive offer just for you. Our Spring Sale is LIVE with up to {{discount}}% off on all products. Don't miss out!

Shop Now →

Left Column

Right Column

header Properties

Content

Background

Text Color